Element block pseudo-element :before generated with float none overflow hidden padding 20px background position static box-sizing content-box border-radius border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default transition font-weight normal line-height 1 height auto font-size 16px z-index auto width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px display block transform